Select all of the sequences of transformations that will preserve distance.
rotate 180° clockwise about the origin, reflect across the x-axis
dilate by a factor of 0.75 centered at the origin, reflect across the y-axis
rotate 180° clockwise about the origin, translate 2 down and 5 to the right
translate 7 up and 7 to the right, dilate by a factor of 7 centered at the origin
rotate 90° counterclockwise about the origin, dilate by a factor of 1 centered at the origin